fall·board 
(fôlbôrd′)
(fôlbôrd′)n.
The hinged cover protecting the keyboard of a piano.
- straight man
- straightness
- straight off
- straight-out
- straight poker
- straight razor
- straight shooter
- straight-shooting
- straight ticket
- straight up
- straightway
- strain
- strain
- strain at stool
- strained
- strainer
- strain every nerve
- strain gauge
- straining beam
- strainometer
- strait
- straiten
- straitjacket
- strait-laced
- strait-lacedly